NEN EN 2070-5 : 1989

National foreword
Brief history
1 Scope and field of application
2 References
3 Manufacture
4 Batch
5 Dimensions
6 External defects
7 Tensile test
8 Batch uniformity
9 Flattening test
10 Drift test
11 Hydraulic pressure deformation test
12 Tube leakage test
13 Coarse grain zone
14 Grain size
15 Internal cleanliness inspection
16 Special tests
17 Marking
National annex A
National annex B
Cooperating organizations

Gives the particular requirements of tubes of round section for use under pressure in aluminium and aluminium alloys, manufactured by extrusion or extrusion and drawing. Covers references, manufacture, batch dimensions, external defects, tensile test, batch uniformity, flattening test, drift test, hydraulic pressure deformation test, tube leakage test, coarse grain zone, grain size, internal cleanliness inspection, special tests and marking.